Actually, Hudson – who co-founded Fabletics, was doing more than just bragging about her physique. She was really showing off one of the many sporty, sexy items which Fabletics will make available in time for next year's Valentine's Day.
And Hudson isn't the only star responsible for sexy, fun athletic wear. Rihanna, Rita Ora and others are getting into the game with their own striking fashion lines. Check out the video below for a look at the stars who are giving gym clothes an upscale makeover.